<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <input type="text" v-model="text">
    {{date}}
  </div>
</body>
</html>
<script src="../packages/vue.js"></script>
<script>
  const vm = new Vue({
    el:'#app',
    data(){
      return {
        date:'aaa'
      }
    }
  })
</script>